- Arthurian Romance. the greatest of Arthur’s knights and the lover of Queen Guinevere.
- (in Arthurian legend) one of the Knights of the Round Table; the lover of Queen Guinevere
masc. proper name, Old French, a double-diminutive of Frankish Lanzo, a hypocoristic name formed from some one of the Germanic names in Land-; cf. Old English Landbeorht “land-bright,” in Old French Lambert.